Fluidized Powder Valve System
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United States of America
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Issued Date -
Jan 2, 2020
app pub date -
Jun 29, 2018
filing date -
Jun 29, 2018
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Abstract
A device is provided for the controlled and precise delivery of powders, including cohesive powders, based on a fluidization technique to directly reduce inter-particle friction and using a fluidizing gas as an air-bearing. The device preferably includes no moving parts, no sealing gaskets or sealing surfaces. Unlike mechanically actuated valves, the powders dispensed by the current device do not experience mechanical shearing, thereby reducing wear and thus increasing the service life of the apparatus.
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